Project Euler #174: Counting the number of "hollow" square laminae that can form one, two, three, ... distinct arrangements.

Hacker
Rank
Score
41
flag of India
100.00
42
flag of India
100.00
44
flag of Latvia
100.00
45
flag of United Kingdom
100.00
46
flag of United States
100.00
48
flag of United States
100.00
50
flag of United States
100.00
51
flag of United States
100.00
53
flag of Canada
100.00
55
flag of Ukraine
100.00
56
flag of United States
100.00
57
flag of India
100.00
58
flag of United States
100.00
59
flag of Russian Federation
100.00
60
flag of Hungary
100.00
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